| Boo to Arcos de Valdevez | 1,659.29 mi (2,670.37 km) |
| Boo to Arcozelo | 1,711.09 mi (2,753.74 km) |
| Boo to Arganil | 1,743.17 mi (2,805.36 km) |
| Boo to Arouca | 1,706.86 mi (2,746.92 km) |
| Boo to Arruda dos Vinhos | 1,844.08 mi (2,967.76 km) |
| Boo to Aveiro | 1,735.81 mi (2,793.51 km) |
| Boo to Aver-o-Mar | 1,694.80 mi (2,727.51 km) |
| Boo to Aves | 1,679.21 mi (2,702.42 km) |
| Boo to Azambuja | 1,833.57 mi (2,950.85 km) |
| Boo to Baiao | 1,687.35 mi (2,715.53 km) |
| Boo to Barcelos | 1,683.93 mi (2,710.02 km) |
| Boo to Barreiro | 1,862.78 mi (2,997.86 km) |
| Boo to Batalha | 1,797.40 mi (2,892.63 km) |
| Boo to Beja | 1,868.12 mi (3,006.46 km) |
| Boo to Belas | 1,862.08 mi (2,996.74 km) |
